from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A long-acting alpha-adrenergic blocking agent, C18H22ClNO·HCl, used to treat high blood pressure, excessive sweating, and tachycardia caused by pheochromocytoma.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an alpha-blocker and vasodilator
Sorry, no etymologies found.
For example, phenoxybenzamine (Dibenzyline®), a drug given to relieve hypertension, is biotransformed into a metabolite, which is the active agent.